Home / 1,727,990.20-2,591,985.30-465,945.40

Finding the Fourth Proportional to 1,727,990.20, 2,591,985.30 and 465,945.40

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Solution

The fourth proportional to 1,727,990.20, 2,591,985.30 and 465,945.40 is: 698,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,990.20 : 2,591,985.30 = 465,945.40 : x
  2. Step 2: Convert to fraction form
    1,727,990.20/2,591,985.30 = 465,945.40/x
  3. Step 3: Cross multiply
    1,727,990.20x = 2,591,985.30 × 465,945.40
  4. Step 4: Simplify right side
    1,727,990.20x = 1,207,723,627,402.62
  5. Step 5: Solve for x
    x = 1,207,723,627,402.62/1,727,990.20
  6. Step 6: Final answer
    x = 698,918.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.